./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc215c1310f8b4d8a3ef1501261e91ba08e9c5718658396972a4e0020f5cf43f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:38:31,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:38:31,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:38:31,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:38:31,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:38:31,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:38:31,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:38:31,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:38:31,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:38:31,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:38:31,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:38:31,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:38:31,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:38:31,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:38:31,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:38:31,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:38:31,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:38:31,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:38:31,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:38:31,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:38:31,249 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:38:31,249 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:38:31,249 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:38:31,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:38:31,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:31,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:38:31,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:38:31,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:38:31,250 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:38:31,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:38:31,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc215c1310f8b4d8a3ef1501261e91ba08e9c5718658396972a4e0020f5cf43f [2024-12-05 23:38:31,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:38:31,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:38:31,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:38:31,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:38:31,476 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:38:31,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c [2024-12-05 23:38:34,077 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/data/e786c39f5/637f2b874b234f7ab7f682444fff25f8/FLAG17676fd6d [2024-12-05 23:38:34,313 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:38:34,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c [2024-12-05 23:38:34,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/data/e786c39f5/637f2b874b234f7ab7f682444fff25f8/FLAG17676fd6d [2024-12-05 23:38:34,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/data/e786c39f5/637f2b874b234f7ab7f682444fff25f8 [2024-12-05 23:38:34,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:38:34,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:38:34,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:38:34,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:38:34,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:38:34,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:38:34" (1/1) ... [2024-12-05 23:38:34,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d1825e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:34, skipping insertion in model container [2024-12-05 23:38:34,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:38:34" (1/1) ... [2024-12-05 23:38:34,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:38:34,817 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c[1334,1347] [2024-12-05 23:38:34,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:38:34,971 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:38:34,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c[1334,1347] [2024-12-05 23:38:35,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:38:35,072 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:38:35,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35 WrapperNode [2024-12-05 23:38:35,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:38:35,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:38:35,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:38:35,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:38:35,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,223 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1382 [2024-12-05 23:38:35,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:38:35,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:38:35,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:38:35,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:38:35,229 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,319 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:38:35,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:38:35,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:38:35,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:38:35,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:38:35" (1/1) ... [2024-12-05 23:38:35,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:35,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:38:35,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:38:35,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:38:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:38:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:38:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:38:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:38:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:38:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:38:35,596 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:38:35,598 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:38:37,130 INFO L? ?]: Removed 754 outVars from TransFormulas that were not future-live. [2024-12-05 23:38:37,130 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:38:38,757 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:38:38,758 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:38:38,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:38 BoogieIcfgContainer [2024-12-05 23:38:38,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:38:38,759 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:38:38,759 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:38:38,769 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:38:38,769 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:38:38" (1/1) ... [2024-12-05 23:38:38,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:38:38,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 23:38:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 23:38:38,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:38:38,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:38,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:38:40,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:38:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:38:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-05 23:38:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-05 23:38:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:38:42,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:38:42,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:38:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:38:44,719 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:38:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:38:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:38:56,239 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:38:56,244 INFO L158 Benchmark]: Toolchain (without parser) took 21570.72ms. Allocated memory was 117.4MB in the beginning and 629.1MB in the end (delta: 511.7MB). Free memory was 91.5MB in the beginning and 437.9MB in the end (delta: -346.5MB). Peak memory consumption was 163.5MB. Max. memory is 16.1GB. [2024-12-05 23:38:56,245 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:38:56,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.59ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 62.7MB in the end (delta: 28.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:38:56,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.36ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 76.0MB in the end (delta: -13.6MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-12-05 23:38:56,246 INFO L158 Benchmark]: Boogie Preprocessor took 149.26ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 76.0MB in the beginning and 161.4MB in the end (delta: -85.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-12-05 23:38:56,246 INFO L158 Benchmark]: RCFGBuilder took 3383.95ms. Allocated memory was 209.7MB in the beginning and 427.8MB in the end (delta: 218.1MB). Free memory was 161.3MB in the beginning and 142.1MB in the end (delta: 19.2MB). Peak memory consumption was 232.3MB. Max. memory is 16.1GB. [2024-12-05 23:38:56,247 INFO L158 Benchmark]: CodeCheck took 17484.18ms. Allocated memory was 427.8MB in the beginning and 629.1MB in the end (delta: 201.3MB). Free memory was 142.1MB in the beginning and 437.9MB in the end (delta: -295.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:38:56,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.59ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 62.7MB in the end (delta: 28.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.36ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 76.0MB in the end (delta: -13.6MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.26ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 76.0MB in the beginning and 161.4MB in the end (delta: -85.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3383.95ms. Allocated memory was 209.7MB in the beginning and 427.8MB in the end (delta: 218.1MB). Free memory was 161.3MB in the beginning and 142.1MB in the end (delta: 19.2MB). Peak memory consumption was 232.3MB. Max. memory is 16.1GB. * CodeCheck took 17484.18ms. Allocated memory was 427.8MB in the beginning and 629.1MB in the end (delta: 201.3MB). Free memory was 142.1MB in the beginning and 437.9MB in the end (delta: -295.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:38:56,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc215c1310f8b4d8a3ef1501261e91ba08e9c5718658396972a4e0020f5cf43f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:38:58,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:38:58,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:38:58,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:38:58,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:38:58,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:38:58,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:38:58,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:38:58,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:38:58,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:38:58,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:38:58,324 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:38:58,324 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:38:58,325 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:38:58,325 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:38:58,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:38:58,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:38:58,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:38:58,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:38:58,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:38:58,325 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:38:58,325 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:38:58,325 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:38:58,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc215c1310f8b4d8a3ef1501261e91ba08e9c5718658396972a4e0020f5cf43f [2024-12-05 23:38:58,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:38:58,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:38:58,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:38:58,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:38:58,573 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:38:58,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c [2024-12-05 23:39:01,252 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/data/d7e39ebe5/50fc35a05d804325b87a601d464d1553/FLAGa1bdfbf00 [2024-12-05 23:39:01,459 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:39:01,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c [2024-12-05 23:39:01,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/data/d7e39ebe5/50fc35a05d804325b87a601d464d1553/FLAGa1bdfbf00 [2024-12-05 23:39:01,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/data/d7e39ebe5/50fc35a05d804325b87a601d464d1553 [2024-12-05 23:39:01,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:39:01,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:39:01,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:39:01,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:39:01,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:39:01,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47263596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01, skipping insertion in model container [2024-12-05 23:39:01,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,521 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:39:01,637 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c[1334,1347] [2024-12-05 23:39:01,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:39:01,779 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:39:01,786 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d8_e0.c[1334,1347] [2024-12-05 23:39:01,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:39:01,867 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:39:01,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01 WrapperNode [2024-12-05 23:39:01,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:39:01,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:39:01,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:39:01,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:39:01,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,931 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 638 [2024-12-05 23:39:01,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:39:01,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:39:01,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:39:01,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:39:01,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,956 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:39:01,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:39:01,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:39:01,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:39:01,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:01" (1/1) ... [2024-12-05 23:39:01,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:39:01,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:39:02,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:39:02,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:39:02,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:39:02,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:39:02,032 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:39:02,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:39:02,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:39:02,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:39:02,190 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:39:02,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:39:02,695 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2024-12-05 23:39:02,695 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:39:02,748 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:39:02,748 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:39:02,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:39:02 BoogieIcfgContainer [2024-12-05 23:39:02,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:39:02,749 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:39:02,749 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:39:02,759 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:39:02,759 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:39:02" (1/1) ... [2024-12-05 23:39:02,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:39:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:02,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 23:39:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 23:39:02,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:39:02,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:02,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:02,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:02,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:02,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:39:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:03,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:39:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:03,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-05 23:39:03,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:39:03,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:39:03,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:39:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-05 23:39:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-05 23:39:04,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:39:04,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:04,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:04,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:04,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:04,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:39:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:04,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:39:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:05,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-05 23:39:05,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:39:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-05 23:39:05,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:39:07,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:07,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2024-12-05 23:39:07,097 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-12-05 23:39:07,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 23:39:07,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:07,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:07,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:07,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:07,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:39:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:08,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:39:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:08,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-12-05 23:39:08,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:39:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-05 23:39:12,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:39:19,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 102 transitions. [2024-12-05 23:39:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-12-05 23:39:19,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 23:39:19,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:19,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:19,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:19,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:19,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:39:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:21,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:39:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:22,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 206 conjuncts are in the unsatisfiable core [2024-12-05 23:39:22,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:48:12,228 WARN L286 SmtUtils]: Spent 8.46m on a formula simplification. DAG size of input: 290 DAG size of output: 238 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:49:06,048 WARN L286 SmtUtils]: Spent 52.08s on a formula simplification. DAG size of input: 248 DAG size of output: 245 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:49:57,756 WARN L286 SmtUtils]: Spent 40.23s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:50:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 15 proven. 71 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-12-05 23:50:02,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e21f4e4-56e6-4d71-a877-1efb33b93564/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-05 23:51:17,489 WARN L286 SmtUtils]: Spent 51.15s on a formula simplification. DAG size of input: 305 DAG size of output: 292 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:52:09,520 WARN L286 SmtUtils]: Spent 50.26s on a formula simplification that was a NOOP. DAG size: 239 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:53:11,147 WARN L286 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 307 DAG size of output: 304 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)